Optimal City Size Theory has been superseded by new paradigms, such as the supply-oriented dynamic approach or the city network. Nevertheless, several aspects remain to be considered. First, the quality of life concept, which in many models enters into utility functions of households, can be...

Given the important growth of immigrants in Spain it would be interesting to study its distribution throughout the urban area. Statistics suggest different large traditional indices allowing to quantify the segregation of minority population groups. Segregation can be measured from the different...

This paper investigates on the presence of innovation and production clusters in Europe. The analysis is based on an original statistical databank set up by CRENoS on regional patenting at the European Patent Office spanning from 1978 to 1997 and classified by ISIC sectors (3 digit) and on the...

Despite the general idea among economists that public capital is a necessary but not sufficient condition for regional economic development, there is not consensus on the quantification of its effect. It is our belief that the variety of results on infrastructure impact in the economic...

This paper, based on the ideas of Jovanovic’s theory (1982), analyses the impact of the main strategies determining the competitive behaviour of firms on their survival rate. We consider those strategies related both to product and price differentiation. Among the former ones, one may think of...

This work intends to analyse the influence that several aspects internal to the firm have on the firms? innovative output. Although the theoretical model is based in the literature on innovation, it pays special attention on the impact of ownership structure, as stated by the theory of the...